linux-kernel - [PATCH net-next v3 0/2] net: stmmac: qcom-ethqos: enable 2.5G ethernet on sa8775p-ride

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Message-ID: <20240703181500.28491-1-brgl@bgdev.pl>
Date: Wed,  3 Jul 2024 20:14:57 +0200
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: [PATCH net-next v3 0/2] net: stmmac: qcom-ethqos: enable 2.5G ethernet on sa8775p-ride

From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>

Here are the changes required to enable 2.5G ethernet on sa8775p-ride.
As advised by Andrew Lunn and Russell King, I am reusing the existing
stmmac infrastructure to enable the SGMII loopback and so I dropped the
patches adding new callbacks to the driver core. I also added more
details to the commit message and made sure the workaround is only
enabled on Rev 3 of the board (with AQR115C PHY). Also: dropped any
mentions of the OCSGMII mode.

Changes since v2:
- only apply the SGMII loopback quirk on Rev 3 of the sa8775p-ride board
- extend the commit message in patch 2 to explain the situation in detail
Link to v2: https://lore.kernel.org/netdev/20240627113948.25358-1-brgl@bgdev.pl/

Changes since v1:
- split out the stmmac patches into their own series
- don't add new callbacks to the stmmac core, reuse existing
  infrastructure instead
- don't try to add a new PHY mode (OCSGMII) but reuse 2500BASEX instead
Link to v1: https://lore.kernel.org/linux-arm-kernel/20240619184550.34524-1-brgl@bgdev.pl/T/

Bartosz Golaszewski (2):
  net: stmmac: qcom-ethqos: add support for 2.5G BASEX mode
  net: stmmac: qcom-ethqos: enable SGMII loopback during DMA reset on
    sa8775p-ride-r3

 .../stmicro/stmmac/dwmac-qcom-ethqos.c        | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

-- 
2.43.0